<div class="row">
    <div class="col-md-6 col-sm-12">
        <div class="alert alert-success" role="alert">
            <strong>Well done!</strong> You successfully read <a href="#" class="alert-link">this important alert
            message.</a>
        </div>
    </div>
    <div class="col-md-6 col-sm-12">
        <div class="alert alert-info" role="alert">
            <strong>Heads up!</strong> This alert needs your attention, but it's not super important.
        </div>
    </div>
    <div class="col-md-6 col-sm-12">
        <div class="alert alert-warning alert-dismissible" role="alert">
            <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span
                    aria-hidden="true">×</span></button>
            <strong>Warning!</strong> Better check yourself, you're not looking too good.
        </div>
    </div>
    <div class="col-md-6 col-sm-12">
        <div class="alert alert-danger  alert-dismissible" role="alert">
            <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span
                    aria-hidden="true">×</span></button>
            <strong>Oh snap!</strong> Change a few things up and try submitting again.
        </div>
    </div>
    <div class="col-md-6 col-sm-12">
        <div class="alert alert-danger alert-dismissible fade in" role="alert">
            <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span
                    aria-hidden="true">×</span></button>
            <h4 id="oh-snap!-you-got-an-error!">Oh snap! You got an error!<a class="anchorjs-link"
                                                                             href="#oh-snap!-you-got-an-error!"><span
                    class="anchorjs-icon"></span></a></h4>
            <p>Change this and that and try again. Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget
                lacinia odio sem nec elit.</p>
            <p>
                <button type="button" class="btn btn-danger">Take this action</button>
                <button type="button" class="btn btn-link">Or do this</button>
            </p>
        </div>
    </div>
</div>